Scores are commonly used in environmental valuation exercises. The two main procedures when testing for score differences are the within sample and the between sample approaches. Their conclusions do not always coincide. With a case study involving scores on difficulty of responding to two...

In this paper, we test whether the time it takes for a submitted paper to be accepted by the editor(s) is sensitive to the stated preference method used. Two methods are considered: the Contingent Valuation (CV) and the Choice Experiments (CE). A meta-analysis based on a sample of 129 papers...

Cheap talk is frequently used in contingent valuation surveys in an attempt to mitigate hypothetical bias. This paper aims at investigating in two case studies whether the effects of cheap talk on willingness-to-pay depend on the gender of the participants. Results of the two studies point in...